!function( $ ) {

// Picker object

var Datepicker = function(element, options){
this.element = $(element);
this.format = DPGlobal.parseFormat(options.format||this.element.data('date-format')||'yyyy/mm/dd');
this.picker = $(DPGlobal.template)
.appendTo('body')
.on({
click: $.proxy(this.click, this),
mousedown: $.proxy(this.mousedown, this)
});
this.isInput = this.element.is('input');
this.component = this.element.is('.date') ? this.element.find('.add-on') : false;

if (this.isInput) {
this.element.on({
focus: $.proxy(this.show, this),
blur: $.proxy(this.hide, this),
keyup: $.proxy(this.update, this)
});
} else {
if (this.component){
this.component.on('click', $.proxy(this.show, this));
} else {
this.element.on('click', $.proxy(this.show, this));
}
}
this.minViewMode = options.minViewMode||this.element.data('date-minviewmode')||0;
if (typeof this.minViewMode === 'string') {
switch (this.minViewMode) {
case 'months':
this.minViewMode = 1;
break;
case 'years':
this.minViewMode = 2;
break;
default:
this.minViewMode = 0;
break;
}
}
this.viewMode = options.viewMode||this.element.data('date-viewmode')||0;
if (typeof this.viewMode === 'string') {
switch (this.viewMode) {
case 'months':
this.viewMode = 1;
break;
case 'years':
this.viewMode = 2;
break;
default:
this.viewMode = 0;
break;
}
}
this.startViewMode = this.viewMode;
this.weekStart = options.weekStart||this.element.data('date-weekstart')||0;
this.weekEnd = this.weekStart === 0 ? 6 : this.weekStart - 1;
this.fillDow();
this.fillMonths();
this.update();
this.showMode();
};

Datepicker.prototype = {
constructor: Datepicker,

show: function(e) {
this.picker.show();
this.height = this.component ? this.component.outerHeight() : this.element.outerHeight();
this.place();
$(window).on('resize', $.proxy(this.place, this));
if (e ) {
e.stopPropagation();
e.preventDefault();
}
if (!this.isInput) {
$(document).on('mousedown', $.proxy(this.hide, this));
}
this.element.trigger({
type: 'show',
date: this.date
});
},

hide: function(){
this.picker.hide();
$(window).off('resize', this.place);
this.viewMode = this.startViewMode;
this.showMode();
if (!this.isInput) {
$(document).off('mousedown', this.hide);
}
this.set();
this.element.trigger({
type: 'hide',
date: this.date
});
},

set: function() {
var formated = DPGlobal.formatDate(this.date, this.format);
if (!this.isInput) {
if (this.component){
this.element.find('input').prop('value', formated);
}
this.element.data('date', formated);
} else {
this.element.prop('value', formated);
}
},

setValue: function(newDate) {
if (typeof newDate === 'string') {
this.date = DPGlobal.parseDate(newDate, this.format);
} else {
this.date = new Date(newDate);
}
this.set();
this.viewDate = new Date(this.date.getFullYear(), this.date.getMonth(), 1, 0, 0, 0, 0);
this.fill();
},

place: function(){
var offset = this.component ? this.component.offset() : this.element.offset();
this.picker.css({
top: offset.top + this.height,
left: offset.left
});
},

update: function(newDate){
this.date = DPGlobal.parseDate(
typeof newDate === 'string' ? newDate : (this.isInput ? this.element.prop('value') : this.element.data('date')),
this.format
);
this.viewDate = new Date(this.date.getFullYear(), this.date.getMonth(), 1, 0, 0, 0, 0);
this.fill();
},

fillDow: function(){
var dowCnt = this.weekStart;
var html = '<tr>';
while (dowCnt < this.weekStart + 7) {
html += '<th class="dow">'+DPGlobal.dates.daysMin[(dowCnt++)%7]+'</th>';
}
html += '</tr>';
this.picker.find('.datepicker-days thead').append(html);
},

fillMonths: function(){
var html = '';
var i = 0
while (i < 12) {
html += '<span class="month">'+DPGlobal.dates.monthsShort[i++]+'</span>';
}
this.picker.find('.datepicker-months td').append(html);
},

fill: function() {
var d = new Date(this.viewDate),
year = d.getFullYear(),
month = d.getMonth(),
currentDate = this.date.valueOf();
this.picker.find('.datepicker-days th:eq(1)')
/**
* 应卓修改 Start
* 日期控件显示时 年在前，月在后 中文习惯与英文相反
*/	
  //.text(DPGlobal.dates.months[month]+' '+year);
.text(year + '年' + DPGlobal.dates.months[month]);
/**
* 应卓修改 End
*/
var prevMonth = new Date(year, month-1, 28,0,0,0,0),
day = DPGlobal.getDaysInMonth(prevMonth.getFullYear(), prevMonth.getMonth());
prevMonth.setDate(day);
prevMonth.setDate(day - (prevMonth.getDay() - this.weekStart + 7)%7);
var nextMonth = new Date(prevMonth);
nextMonth.setDate(nextMonth.getDate() + 42);
nextMonth = nextMonth.valueOf();
html = [];
var clsName;
while(prevMonth.valueOf() < nextMonth) {
if (prevMonth.getDay() === this.weekStart) {
html.push('<tr>');
}
clsName = '';
if (prevMonth.getMonth() < month) {
clsName += ' old';
} else if (prevMonth.getMonth() > month) {
clsName += ' new';
}
if (prevMonth.valueOf() === currentDate) {
clsName += ' active';
}
html.push('<td class="day'+clsName+'">'+prevMonth.getDate() + '</td>');
if (prevMonth.getDay() === this.weekEnd) {
html.push('</tr>');
}
prevMonth.setDate(prevMonth.getDate()+1);
}
this.picker.find('.datepicker-days tbody').empty().append(html.join(''));
var currentYear = this.date.getFullYear();

var months = this.picker.find('.datepicker-months')
.find('th:eq(1)')
.text(year)
.end()
.find('span').removeClass('active');
if (currentYear === year) {
months.eq(this.date.getMonth()).addClass('active');
}

html = '';
year = parseInt(year/10, 10) * 10;
var yearCont = this.picker.find('.datepicker-years')
.find('th:eq(1)')
.text(year + '-' + (year + 9))
.end()
.find('td');
year -= 1;
for (var i = -1; i < 11; i++) {
html += '<span class="year'+(i === -1 || i === 10 ? ' old' : '')+(currentYear === year ? ' active' : '')+'">'+year+'</span>';
year += 1;
}
yearCont.html(html);
},

click: function(e) {
e.stopPropagation();
e.preventDefault();
var target = $(e.target).closest('span, td, th');
if (target.length === 1) {
switch(target[0].nodeName.toLowerCase()) {
case 'th':
switch(target[0].className) {
case 'switch':
this.showMode(1);
break;
case 'prev':
case 'next':
this.viewDate['set'+DPGlobal.modes[this.viewMode].navFnc].call(
this.viewDate,
this.viewDate['get'+DPGlobal.modes[this.viewMode].navFnc].call(this.viewDate) +
DPGlobal.modes[this.viewMode].navStep * (target[0].className === 'prev' ? -1 : 1)
);
this.fill();
this.set();
break;
}
break;
case 'span':
if (target.is('.month')) {
var month = target.parent().find('span').index(target);
this.viewDate.setMonth(month);
} else {
var year = parseInt(target.text(), 10)||0;
this.viewDate.setFullYear(year);
}
if (this.viewMode !== 0) {
this.date = new Date(this.viewDate);
this.element.trigger({
type: 'changeDate',
date: this.date,
viewMode: DPGlobal.modes[this.viewMode].clsName
});
}
this.showMode(-1);
this.fill();
this.set();
break;
case 'td':
if (target.is('.day')){
var day = parseInt(target.text(), 10)||1;
var month = this.viewDate.getMonth();
if (target.is('.old')) {
month -= 1;
} else if (target.is('.new')) {
month += 1;
}
var year = this.viewDate.getFullYear();
this.date = new Date(year, month, day,0,0,0,0);
this.viewDate = new Date(year, month, Math.min(28, day),0,0,0,0);
this.fill();
this.set();
this.element.trigger({
type: 'changeDate',
date: this.date,
viewMode: DPGlobal.modes[this.viewMode].clsName
});
}
break;
}
}
},

mousedown: function(e){
e.stopPropagation();
e.preventDefault();
},

showMode: function(dir) {
if (dir) {
this.viewMode = Math.max(this.minViewMode, Math.min(2, this.viewMode + dir));
}
this.picker.find('>div').hide().filter('.datepicker-'+DPGlobal.modes[this.viewMode].clsName).show();
}
};

$.fn.datepicker = function ( option, val ) {
return this.each(function () {
var $this = $(this),
data = $this.data('datepicker'),
options = typeof option === 'object' && option;
if (!data) {
$this.data('datepicker', (data = new Datepicker(this, $.extend({}, $.fn.datepicker.defaults,options))));
}
if (typeof option === 'string') data[option](val);
});
};

$.fn.datepicker.defaults = {
};
$.fn.datepicker.Constructor = Datepicker;

var DPGlobal = {
modes: [
{
clsName: 'days',
navFnc: 'Month',
navStep: 1
},
{
clsName: 'months',
navFnc: 'FullYear',
navStep: 1
},
{
clsName: 'years',
navFnc: 'FullYear',
navStep: 10
}],
dates:{
days: ['日', '一', '二', '三', '四', '五','六'],
daysShort: ['日', '一', '二', '三', '四', '五','六'],
daysMin: ['日', '一', '二', '三', '四', '五','六'],
months: ['1月', '2月', '3月', '4月', '5月', '6月', '7月', '8月', '9月', '10月', '11月', '12月'],
monthsShort: ['1月', '2月', '3月', '4月', '5月', '6月', '7月', '8月', '9月', '10月', '11月', '12月']
},
isLeapYear: function (year) {
return (((year % 4 === 0) && (year % 100 !== 0)) || (year % 400 === 0))
},
getDaysInMonth: function (year, month) {
return [31, (DPGlobal.isLeapYear(year) ? 29 : 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][month]
},
parseFormat: function(format){
var separator = format.match(/[.\/\-\s].*?/),
parts = format.split(/\W+/);
if (!separator || !parts || parts.length === 0){
throw new Error("Invalid date format.");
}
return {separator: separator, parts: parts};
},
parseDate: function(date, format) {
var parts = date.split(format.separator),
date = new Date(),
val;
date.setHours(0);
date.setMinutes(0);
date.setSeconds(0);
date.setMilliseconds(0);
if (parts.length === format.parts.length) {
for (var i=0, cnt = format.parts.length; i < cnt; i++) {
val = parseInt(parts[i], 10)||1;
switch(format.parts[i]) {
case 'dd':
case 'd':
date.setDate(val);
break;
case 'mm':
case 'm':
date.setMonth(val - 1);
break;
case 'yy':
date.setFullYear(2000 + val);
break;
case 'yyyy':
date.setFullYear(val);
break;
}
}
}
return date;
},
formatDate: function(date, format){
var val = {
d: date.getDate(),
m: date.getMonth() + 1,
yy: date.getFullYear().toString().substring(2),
yyyy: date.getFullYear()
};
val.dd = (val.d < 10 ? '0' : '') + val.d;
val.mm = (val.m < 10 ? '0' : '') + val.m;
var date = [];
for (var i=0, cnt = format.parts.length; i < cnt; i++) {
date.push(val[format.parts[i]]);
}
return date.join(format.separator);
},
headTemplate: '<thead>'+
'<tr>'+
'<th class="prev"><i class="icon-arrow-left"></i></th>'+
'<th colspan="5" class="switch"></th>'+
'<th class="next"><i class="icon-arrow-right"></i></th>'+
'</tr>'+
'</thead>',
contTemplate: '<tbody><tr><td colspan="7"></td></tr></tbody>'
};
DPGlobal.template = '<div class="datepicker dropdown-menu">'+
'<div class="datepicker-days">'+
'<table class=" table-condensed">'+
DPGlobal.headTemplate+
'<tbody></tbody>'+
'</table>'+
'</div>'+
'<div class="datepicker-months">'+
'<table class="table-condensed">'+
DPGlobal.headTemplate+
DPGlobal.contTemplate+
'</table>'+
'</div>'+
'<div class="datepicker-years">'+
'<table class="table-condensed">'+
DPGlobal.headTemplate+
DPGlobal.contTemplate+
'</table>'+
'</div>'+
'</div>';

}( window.jQuery )